A20B-3900-0041
Fanuc A20B-3900-0041 DRAM memory module. This 8MB DRAM plug in SMD is for 16i, 18i, 21i A generation controls. This Fanuc memory card with part number A20B39000041 is a 8MB memory card and plugs into the main system board.
DNC currently have these 8MB DRAM memory modules in stock.